net: backport wireless from 3.4 (google common)

-modify bcmdhd (google) accordingly
wireless: bcmdhd: use BROADCOM_WIFI_RESERVED_MEM for DHD_USE_STATIC_BUF
wireless: bcmdhd: omit/add some flag(s) for SAMSUNG_VARIATION_TEGRA
wireless: bcmdhd: add READ_MACADDR for SAMSUNG_VARIATION_TEGRA
wireless: bcmdhd: add CUSTOMER_SET_COUNTRY for SAMSUNG_VARIATION_TEGRA
wireless: bcmdhd: samsung: update from i9500

-add CUSTOMER_SET_COUNTRY for BCM4330
-add P4/P3 specific flags
wireless: bcmdhd: samsung: modify accordingly for 3.4 wireless backport
wireless: bcmdhd: samsung: remove DHD_USE_STATIC_BUF (config option)
defconfig: jb: switch to bcmdhd (google)
wireless: bcmdhd: set WL_CFG80211_GON_COLLISION and WL_SCB_TIMEOUT

-for SAMSUNG_VARIATION_TEGRA
defconfig: jb: set CFG80211_ALLOW_RECONNECT
wireless: bcmdhd: add P4/P3 specific flags